12040328 has 32 divisors (see below), whose sum is σ = 23376600. Its totient is φ = 5810688.

The previous prime is 12040309. The next prime is 12040331. The reversal of 12040328 is 82304021.

12040328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10355524 + 1684804 = 3218^2 + 1298^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30758 + ... + 31146.

Almost surely, 2^12040328 is an apocalyptic number.

It is an amenable number.

12040328 is a deficient number, since it is larger than the sum of its proper divisors (11336272).

12040328 is a wasteful number, since it uses less digits than its factorization.

12040328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 12040328 is about 3469.9175782719. The cubic root of 12040328 is about 229.1990286125.

Adding to 12040328 its reverse (82304021), we get a palindrome (94344349).

The spelling of 12040328 in words is "twelve million, forty thousand, three hundred twenty-eight".